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Phenomenon
I. Does not draw
lines
2. Late
ral
lines
can
not
be
dr
awn
Condition
X·motor
(2
-1), Y-mot
or
(3-1 ), and pen drive electro-
magnet
(4
-1) operate
normally,
but
no
prin
t
in
g
is
do
n
e.
(I)
X·motor (2-1) does
not
r
ot
ate.
(2) Abnom1ality is noticed
regar
dl
ess
of
whether
the
pen
is
moving
up
or
down.
~use
Pens (5-1
to
4)
have
co
me
off, or the ink
is
exh
au.s
t
ed
.
(I)
X-motor lead
wi
re
is
cut.
(2)
Idl
e gear (2·2)
is
defor-
med.
(3) Deformation
of
bobbin
gear unit (2-3), mis-
alignment
of
!WO-
piece
teeth.
(4) Foreign matter
has
ac
cumulated between
gears.
(5) Low battery voltage.
(6)
Slider unit (4-5) does
not
slide properly on
shaft.
(1)
Foreign matter
has
ac-
cumulated in
the mov-
i
ng
section
of
the slider
unit.
(2) C
ont
act between
pen
take-
out
lever unit
(6
-1)
and pen.
Level
Location and Method
of
Checking
A Are the pens mount
ed
pro-
perl
y?
Do
th
e pens have
enough ink?
B Check that a normal current
is
impressed to each phase
of
the motor.
B
Check
if
the X id.le gear
is
normal.
B
Dismount wire unit (2-4),
rotate bobbin
gear
by
hand,
and
check rotation state.
A
Rota
te bobbin and unit by
hand
and
check for foreign
matter.
A
Ch
eck
if
battery voltage is
be.low 4.5V.
B
Dismount
wire
and
move
sl
ider unit to the right and
left by hand.
A
Check that slider
un
it moves
smoothly on the effective
printing
area
311d
c
he
ck for
an abnormal load by
slov.1y
rotating the bobbin
gur
by
hand.
B
Check contact between pen
take-out lever and slider unit.
Repair Method
Mount properly. Replace the
pens.
Replace X-motor.
Repl
ae
·e the X id
le
gear.
Replace bobbin gear
unit
.
Remove foreign matter.
Recharge
to
regular
voltage.
• Replace slide uni
t.
• Remove foreign matt er
if
it is obstruct
ing
movement.
Remove
any foreign matter
Rep
la
ce
pen
ta
ke-out I
.e
ver.
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